HD74LVC374AFPEL データシートの表示（PDF） - Renesas Electronics
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HD74LVC374AFPEL Datasheet PDF : 8 Pages
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HD74LVC374A
Waveforms – 2
Input CK
tr
tf
90 % 90 %
Vref
Vref
Vref
10 %
10 %
tw
tw
tsu
th
Input D
Vref
Vref
VIH
GND
VIH
GND
Waveforms – 3
Notes:
tf
tr
Input G
90 %
Vref
10 %
Waveform - A
Waveform - B
tZL
Vref
tZH
Vref
90 %
Vref
10 %
tLZ
tHZ
VOL + 0.3 V
VOH – 0.3 V
VIH
GND
≈VOH1
VOL
VOH
≈VOL1
TEST
VIH
Vref
VOH1
VOL1
Vcc=2.7V,
3.3±0.3V
Vcc=5.0±0.5V
2.7 V
Vcc
1.5 V 50%Vcc
3V
Vcc
GND
GND
1. tr = 2.5 ns, tf = 2.5 ns
2. Input waveform : PRR = 10 MHz, duty cycle 50%
3. Waveform – A shows input conditions such that the output is "L" level when enable by the
output control.
4. Waveform – B shows input conditions such that the output is "H" level when enable by the
output control.
Rev.4.00 Jul. 27, 2004 page 6 of 7
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